We’ll isolate two fingers at a time with these exercises. For example the first exercise you’ll only use your 1st and 2nd finger. In exercise 2 you’ll use your 1st and 3rd finger, and so on. 

Fig. 1

1st and 2nd fingers

Fig. 2

1st and 3rd fingers

Fig. 3

1st and 4th fingers

Fig. 4

2nd and 3rd fingers

Fig. 5

2nd and 4th fingers

Fig. 6

3rd and 4th fingers